Home / 1,215,374,223.26-1,677,209,841.20-679,525,785.38

Finding the Fourth Proportional to 1,215,374,223.26, 1,677,209,841.20 and 679,525,785.38

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Solution

The fourth proportional to 1,215,374,223.26, 1,677,209,841.20 and 679,525,785.38 is: 937,741,901.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,374,223.26 : 1,677,209,841.20 = 679,525,785.38 : x
  2. Step 2: Convert to fraction form
    1,215,374,223.26/1,677,209,841.20 = 679,525,785.38/x
  3. Step 3: Cross multiply
    1,215,374,223.26x = 1,677,209,841.20 × 679,525,785.38
  4. Step 4: Simplify right side
    1,215,374,223.26x = 1,139,707,334,594,387,072
  5. Step 5: Solve for x
    x = 1,139,707,334,594,387,072/1,215,374,223.26
  6. Step 6: Final answer
    x = 937,741,901.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.